Enjoying World Laughter Day

May 5, 2013 |By JORDAN STEAD

The Tee Hee Hee Laughter group giggle and chuckle their way through World Laughter Day at Gas Works Park.

JORDAN STEAD/SEATTLEPI.COM

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A mix of joining walk-on attendees and members of the Tee Hee Hee Laughter group giggle and chuckle their way through a series of group exercises in celebration of World Laughter Day Sunday, May 5, 2012, at Gas Works Park in Seattle. The group invests in the popular idea that laughter as a body exercise warrants physiological and psychological benefits.

JORDAN STEAD/SEATTLEPI.COM

5of19

A mix of joining walk-on attendees and members of the Tee Hee Hee Laughter group giggle and chuckle their way through a series of group exercises in celebration of World Laughter Day Sunday, May 5, 2012, at Gas Works Park in Seattle. The group invests in the popular idea that laughter as a body exercise warrants physiological and psychological benefits.